Instant messaging and content client. Excite Messenger is an instant messaging client. In addition to easy-to-use instant messaging, it provides you with personalized content (sports scores, weather, TV listings, horoscopes, news, and more)\; it lets you listen to Internet radio using QuickTime Streaming\; it notifies you when you have new email\; and it includes a great new feature called Buddy Card which lets you share photos, web links, and your up-to-date contact information with your friends.